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The missing or altered X chromosome of Turner syndrome causes errors during fetal development and other developmental problems after birth â short stature, ovarian failure and learning disabilities. Physical characteristics and health complications that arise from the chromosomal error vary greatly.
Everyone has two sex chromosomes. Healthy males have one X and one Y chromosome, while healthy females have two X chromosomes. Turner syndrome occurs when a female is missing part of, or an entire, X chromosome at birth.Normally, girls have two X chromosomes that contain the genetic information needed to develop sexual characteristics.Other genes important to development are also present in the X chromosomes.urner syndrome occurs when a female is missing part of, or an entire, X chromosome at birth. Normally, girls have two X chromosomes that contain the genetic information needed to develop sexual characteristics.